@charset "utf-8";

body,header,div,h1,h2,h3,h4,p,ul,li{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
ul,li{
    list-style: none;
}
a{
    text-decoration: none;
}
//横轴居中
.jc{
    justify-content: center;
}
//横轴左边开始
.jst{
    justify-content: flex-start;
}
//纵轴居中
.ac{
    align-items: center;
}